, the following table lists the ASCII code tables: Common ASCII code comparison tables.128th ~ 255 is an extended character (not commonly used). If necessary, download the complete 8-bit ASCII two-dimensional table.ASCII code keyboard27 ESC 32 space 33! 34"35 #36 $ 37% 38 39
I. general ASCII code table
Schematic ASCII code comparison tableTake character A as an example.Dec indicates decimal, such as 65Hx indicates hexadecimal, such as 41Oct indicates octal, for example, 101Char indicates the display character, such asThe ASCII code table is di
, the following table lists the ASCII code tables: common ASCII code comparison tables.128th ~ 255 is an extended character (not commonly used). If necessary, download the complete 8-bit ASCII two-dimensional table.ASCII code keyboard27 ESC 32 SPACE 33! 34"35 #36 $ 37%
the UTF-8 specified can be a byte to represent all the characters ASCII code, to avoid unnecessary space waste.Out of the above several common coding, there are many other codes, different codes specify the rules are different, but basically all the ASCII is compatible with processing, it can be said that ASCII is the most basic, this section is to discuss the
The so-called ASCII and 16 binary are just conceptual things that are all binary in the computerThe conversion should be the output of the conversion, the same number, in the computer memory is the same, but the output is not the sameASCII is the encoding of characters, almost the encoding of characters on the keyboard. The following is an ASCII and 16-binary table
0th ~ 32 and 127th (34 in total) are control characters or communication special characters, suchControl letter: LF (line feed), Cr (Press ENTER), FF (page feed), del (delete), BEL (zhenling), etc;Communication special characters: Soh, EOT, ack, etc;
33rd ~ 126 (94 in total) is a character, of which 48th ~ Number 57 is 0 ~ 9. 10 Arabic numerals;
65 ~ The 90 is 26 uppercase English letters, 97 ~ There are 26 lower-case English letters, and the remaining are some punctuation marks and operator num
One, the Universal ASCII code table
graphic ASCII code comparison chart , with character A as an exampleDec denotes decimal, such as 65HX denotes hexadecimal, such as 41The OCT represents octal, such as 101Char represents a display character, such as aASCII code comparison chart is divided into two units1, control characters 0-31 and 1272, can display characte
American Standard Code for information Interchange, US standard Information Interchange codeFrom 0 to 127 of the 128 numbers represented by the English alphabet or the same result and meaningUse only 7 bits (bit) can represent numbers from 0~127, but most computers use 8 bits to access a character set (character set)The number between 128~255 can be used to represent another set of 128 symbols, called extended ASCIIAttention:In the computer's stora
Each Chinese Character of gb2312 and GBK consists of two bytes. the ASCII values of these two bytes are:Gb2312:
High8 = 0xa1 --> 0xfe (161-254)Low8 = 0xa1 --> 0xfe (161-254)
GBK:
High8 = 0x80 --> 0xfe (128-254)Low8 = 0x40 --> 0xfe (64-254)
Difference between gb2312 and GBK: http://zhidao.baidu.com/question/40269499
How to print the Chinese ASCII table:
// Print
Table of ASCII characters This table lists the ASCII characters and their decimal, octal and hexadecimal numbers. characters which appear as names in parentheses (E.g.,(NL)) Are non-printing characters. A table of the common non-printing characters appears after this
Introduction: This is a detailed page of the complete ASCII code table. It introduces PHP, related knowledge, skills, experience, and some PHP source code.
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Complete ASCII code table
0nut32 (Space) 6
ASCII values can be roughly divided into three parts.
Part 1There are 32 characters in total from 00 h to 1fh, which are generally used for controlling or controlling. Some characters can be displayed on the screen, some of them cannot be displayed on the screen, but can see the effect (such as the line character and character ). See the following table:
Part 2There are 96 characters in total from 20 h
Display characters in tabular form1. Title: displaying ASCII characters in tabular format2. Requirements: Display the ASCII code as 10h-100h all characters in the table Form of the row x16 column, that is, the corresponding characters are displayed in the order of the line-based sequence and the ASCII code increment. I
We are doing business projects, the client's input is always out of control, there are a variety of special characters, these special characters have to rely on the ASCII code table to judge, so I made a picture, easy to seeWhy do you want to make a watch out, the following string, you see if you can see what special word Fuma (middle blank place)20160807 1Don't see it, let's see what 16 binary is$ hexdump
Text only language: ASCII code table (full)ASCII table (7-bit)(ASCII = American Standard Code for information interchange)
Decimal octal hex binary value--------------------------000 000 000 00000000 NUL (null Char .)001 001 00000001 Soh (start of header)002 002 00000010 ST
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ASCII code table
ASCII code table
The following table lists the 0-127 characters in the character set.
Code
Character
Code
Character
Code
Character
Code
Character
0
32
[Space]
Document directory
ASCII code table
ASCII code table
The following table lists the 0-127 characters in the character set.
Code
Character
Code
Character
Code
Character
Code
Character
0
32
[Space]
64
@
96
`
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